Table 3
Correlation coefficients of various insulin sensitivity indices with IMGU by euglycemic clamp

	Total (n=216)		Obese PCOS (n=85)		Non-obese PCOS (n=131)
	r	P	r	P	r	P
Using OGTT-derived glucose and insulin data
MCRest	0.62	<0.0001	0.58	<0.0001	0.33	0.0001
ISIest	0.62	<0.0001	0.58	<0.0001	0.32	0.0002
OGTT-Belfiore	0.55	<0.0001	0.55	<0.0001	0.31	0.0004
ISIcomp	0.44	<0.0001	0.49	<0.0001	0.16	0.061
AUC-GIR	0.44	<0.0001	0.39	0.0002	0.27	0.0019
OGSI	0.41	<0.0001	0.49	<0.0001	0.21	0.017
Using fasting glucose and insulin data
GIR	0.30	<0.0001	0.49	0.0002	0.07	0.42
HOMA-IR	−0.30	<0.0001	−0.37	0.0004	−0.06	0.45
Fasting Belfiore	0.29	<0.0001	0.37	0.0002	0.07	0.45
QUICKI	0.19	0.0055	0.21	0.06	0.06	0.49

All parameters were analyzed after log transformation